Benns Church, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.6 °F (low) to 69.5 °F (high). Annual precipitation averages 49.7 Inches. Benns Church is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.2 °F | 49.7 °F | 3.55 in. |
| February | 34.6 °F | 52.3 °F | 2.87 in. |
| March | 41.0 °F | 58.9 °F | 4.06 in. |
| April | 50.6 °F | 69.2 °F | 3.7 in. |
| May | 59.5 °F | 76.7 °F | 4.08 in. |
| June | 67.9 °F | 84.4 °F | 4.51 in. |
| July | 72.4 °F | 88.5 °F | 4.91 in. |
| August | 71.2 °F | 86.5 °F | 5.66 in. |
| September | 66.0 °F | 81.1 °F | 5.41 in. |
| October | 54.4 °F | 71.4 °F | 3.88 in. |
| November | 43.7 °F | 61.4 °F | 3.39 in. |
| December | 37.0 °F | 53.4 °F | 3.71 in. |
| Annual | 52.6 °F | 69.5 °F | 49.73 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |